45da96badafdc961c24dd4033bb2d0bc1f22c281471efc73abf39d9856e13e16

General

Target

434c77ad1a0913c1c7d1af31a2fc0761.exe
Size

123KB
MD5

434c77ad1a0913c1c7d1af31a2fc0761
SHA1

ba829c3e7ef2a615e6a268579d9d3709b7f1e5cd
SHA256

45da96badafdc961c24dd4033bb2d0bc1f22c281471efc73abf39d9856e13e16
SHA512

b30e8610868d14d979838ba3e8ea89158d821b94370bd096de3c1e4bce4eda87075423b8a4b28bd80175b2f3facb9ee17afc3d7d235d03644b7df813aa690c65
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLyF:OVYrJrOSsRwcpG

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000600000002321b-27.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3600	iaccess32.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2332-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3600-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2332-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000600000002321b-27.dat	upx
behavioral2/files/0x000200000001fafe-4.dat	upx
behavioral2/files/0x000700000002321a-39.dat	upx
behavioral2/memory/3600-57-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	434c77ad1a0913c1c7d1af31a2fc0761.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs regedit.exe 1 IoCs

pid	Process
1876	regedit.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2332	434c77ad1a0913c1c7d1af31a2fc0761.exe
3600	iaccess32.exe
3600	iaccess32.exe
3600	iaccess32.exe
3600	iaccess32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 3600	2332	434c77ad1a0913c1c7d1af31a2fc0761.exe	23
PID 2332 wrote to memory of 3600	2332	434c77ad1a0913c1c7d1af31a2fc0761.exe	23
PID 2332 wrote to memory of 3600	2332	434c77ad1a0913c1c7d1af31a2fc0761.exe	23

C:\Users\Admin\AppData\Local\Temp\434c77ad1a0913c1c7d1af31a2fc0761.exe
"C:\Users\Admin\AppData\Local\Temp\434c77ad1a0913c1c7d1af31a2fc0761.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3600

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3664

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
1⤵
PID:1000

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
1⤵
- Runs regedit.exe
PID:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
711e9c083cc63645864adcc9a970192d

SHA1
6060d3a470fafdc0b817db30c8fbc476af529962

SHA256
8cccc04c41c1e481c35564275ff8bb56a2bd5478d3ad9df5ffc614f3585c236a

SHA512
65f4b6c4d31708d6d756e2c84f9146362a29a7bf37df19714ce5af828b2899d026cd112014770eddef98d473b38cf085b4148614edd703833d7f303170d46b32

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100713160704\instant access.exe

Filesize
98KB

MD5
415812ab41e42f055b7722a255b91270

SHA1
1367bc6749dd30b8240fb5d780b16e3007fec096

SHA256
49ea7b9c4f2ef87a8badf99e35094b4662684fab6deb470ce381150836cbcd91

SHA512
67db95c8cb9aa6ec9d8f7304ac18d7a2aac1a7cc8144255ba2db7d225136ebd10c1492e4a1964245335eb119679cab9dabfcf0c67e067e4c0fac3a27d2cc4257

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\dialerexe.ini

Filesize
587B

MD5
94db44582dd96943809961b06bf1f387

SHA1
47a52cd9e2e29489fbb4dd1af4fd6e3aa829e286

SHA256
9a84d1eb127923738dad2391c2e2c8ddef2b7c0976483f74c875c939fe4fd25f

SHA512
cffcdc2f362d370b0efeb5a2f57a09f699bb3da5932eee70898127a78ac984da7a2073a156bd2d3851f8dcf2ee80944825bea607b6da74c54cdb60f2280649b0

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
953832243f69ae5eb6981bcc003c3a26

SHA1
bebb59dbe1424de41a9fedba46e7d387630e2e74

SHA256
ed082954dee391611eb5aa08a8ac14ba130a00a887211c7114be25657f61edee

SHA512
a22b919745ed535f0d0b947b75c98dc865bfd89a138f400178b75884a647a15d77d0b0d90fd6ac11426dc023a08b21c53cf6ac5d2d1c48ba3c35c5f182276cbf

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2332-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2332-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3600-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3600-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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